Home / 22,107.52-33,144.66-13,340.32

Finding the Fourth Proportional to 22,107.52, 33,144.66 and 13,340.32

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Solution

The fourth proportional to 22,107.52, 33,144.66 and 13,340.32 is: 20,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,107.52 : 33,144.66 = 13,340.32 : x
  2. Step 2: Convert to fraction form
    22,107.52/33,144.66 = 13,340.32/x
  3. Step 3: Cross multiply
    22,107.52x = 33,144.66 × 13,340.32
  4. Step 4: Simplify right side
    22,107.52x = 442,160,370.69
  5. Step 5: Solve for x
    x = 442,160,370.69/22,107.52
  6. Step 6: Final answer
    x = 20,000.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.